[SE800] Studio Quality PFFB Class-D Amplifier

Studio-quality clarity with smooth, warm sound even at high power. No hiss during quiet passages.

High power Class D amplifier with PFFB by SylphAudio

Power output: 300W @ 8Ω; 600W @ 4Ω

Integrated housekeeping circuitry for wide supply voltage range and ultra-low idle power consumption

PFFB (Post-Filter Feedback) reduces load dependency and improves noise and distortion, suited for high power full-range applications

Optional clock and mute headers, suitable for advanced multi-channel use

Differential / Single Ended inputs (tie IN– to GND for SE), 2 modules can be bridged together.

Robust protection circuits for high reliability

Elna Silmic II input coupling capacitor for smooth and clear sound

****

Supply Voltage: dual ±25V min to ±85V max
Load Impedance: 4Ω-8Ω
Unclipped Power (<1% THD+N, ± 75V): 300W-8Ω, 600W-4Ω
Input configuration: Differential / Single Ended
Output configuration: Single Ended
Input sensitivity: 3.4V RMS (for 600W-4Ω output)
Voltage gain: ~23dB
SINAD 5W 4Ω (± 75V DC rail): 96dB
PCB area: 140mm x 70mm
Overvoltage Protect: ±89V to ±91V DC
Undervoltage Protect: none, UVLO @ ±12V DC
Speaker Protect: none, requires a separate protection module.

Recommended Power Supply
±75V DC, 1000W switching, dual voltage output
Add a minimum of 2200uF per rail to avoid bus pumping. Rails should not exceed ±85V

****

Shipping
Shipments are consolidated once a week. Kindly wait for the tracking info to become available. Courier is a European Postal affiliated company with normal shipping ETA of 5 to 8 weeks.

Contact us for combined shipping options and actual rates.

Feel free to email us at:
contact@sylphaudio.com

Kindly check your spam or junk folder if you haven’t received any response.
Prices are subject to change without prior notice.